Axis "Best Of The Best" 4K Camera Tested (Q1798-LE)

By Rob Kilpatrick, Published Nov 21, 2019, 12:11pm EST (Research)

**** *** ******** ***** "**** ** the ****"*****-** ****** ******, ******* "** ******* **********" **** a ***** ***** */*" ***** ******, custom **** ***** **** ****, *********** 2.0, *** ***** **** "*** **** bandwidth *** ******* ** ******* ***** cameras" ** *** *****.

** ****** *** ****** *** *****-** to ******* ***** ******. ******, ** look **:

  • *** **** ** ******* ** *** and ***** (*****/~* *** *** **/~*.** lux) ** ***** **** *******?
  • *** **** ** ** ********? *** there ******** ** **** *****?
  • *** ** ********* *.*** *** *.*** day *** ***** ******** *******?
  • *** **** **** ** ********* **** Avigilon, *****, *******, *********, *** *********?

*******

*** *****-** ******* ****** *** ***** (~2 ***) *** ****/** (~*.** ***) image *******, **** ** ********, *** strong ** ******* *** ** ** included ** **** ****** ***** ******* glare **** ******* ***** **** ** taillights *** **********.

*******, ******* **** ****** ** *** to **** ***** ****** *** *** than *** *****, **** *** ********** weaker *** ** **** ****** ******* backlight *** *** ****** ** ******** areas.

Key ********

***** ** *** *****, *** **** Q1798-LE *** ******* *** *********:

  • ** **** ****** ******* ********* *****:*** *****-**'* ** **** ****** ******* many ******* ***** ******* ** ***** with ** **, ******** ***** **** taillights, **********, *** ***** ******* ******** to ***** *******.
  • **** ** ********:*** *****'* ** ************ ****** ******* the *****, **** ************ ** *** edges ******* ** *** ****** ** the ***** ** ****. **** ****** darkening *** ******* ** *** ******* of *** ***** ** *** ******'* widest ****.
  • ****** ** (~*.** ***) *** *** light (~* ***) ***** *******:******** ** ***** **** *** **** models (*****-*** *** *****-*), *** ***** produced ******** ******* ** *** ***** and **** ****** **** ** **.
  • ****** ***** ******** ** *** *****:** *** ***** (~* ***), *** Q1798-LE ******** *** ****** ****** ** Axis ******* ****** (*****-*** *** *****-*).
  • ***** *** ***********:*** *****-** ********** **** *** ***** VMSes ******, **** ******** *** *** support *.*** *********.

******** ** *** **** **** *********:

  • **** ***** ***** ******* ***** **** Q3518:** *** ** **** ***** (~**-**'), the *****-** ******** ****** ******* (~*** lux) ******* **** ****' **** *** Q3518-LVE ****, **** ****** ******.
  • ****** *** *******:*** ***** ******** ****** *** ******* than *** ***** *** *****, **** softer ****** ******* ****** ********* *** dimmer ******* ** ******** *****.

*******

*** **** *****-** ***** *** ~$*,*** USD ******, *** ** ****' **** expensive ******, ~$*** **** **** *** high *** *****-*** ** **** (~$*,***).

IR **** ****** ******* ********* ************

******* ** **** ******** *** ** cut ****** ** *****, *** *****-** uses ** ** **** ****** ***** blocks **** ** *** ******* ***** spectrum *** ****** **** ******** ***** (800-900nm).

******* ** ****, *** ****** ************* reduces ***** **** ***** ******** ** bright ***** ******* **** ** ********** or **********. *** *******, **** ****** a ***+ *** ********** ***** ******** at *** ******, ***** ** **** lens ***** *** ***** ** *********** reduced ******** ** *** ** **** Q3518-LVE.

*** ***** ***** ***** *** ******* of *** **** ****** ** *** Q1798, ** ** ******* **** ***** mode **** * ******* *** ***** aimed ******** ** ** ** **********, adjusting **** *********** **** ***** ***** to ****** ******* ** **** **** the ********** **** *** ** *************.

IR **** ****** **********: ******* *****

** *** *****, **** **** ****** had *********** ********** ** ******** *****. When ******* ** ******* ******* ******, for *******, *** **** ****** ******* many ********** *** ******* ***** ****** almost **********, ****** ****** **** ****** to **** ******* *** ******** ********** whatsover. *** *******, ******** ** *** Q3518 *** ***** *****, *** ***** clearly ***** *** *******'* ******* *****, which ** *********** ********* ** ******* in ******.

******* ******* ********** **** **** ********** as **** ******* * *********** ****** of ** *****. ***** ** ******* compared ** ***** *******, **** ********** improved ******* *******, *** *** ** significantly ******** ** **********.

Even ** ********

*** *****'* ** ******** *** **** from **** ** ****, **** **** slight ********* ** *** ******* ** the ******'* ***** ** ****, **** no ****** ************.

Dark ***** ******* (~*.** ***)

** *** **** ***** (~*.****) ** ~20'. *** ******* ******* *********, ******** the **** ***** *** ****** ******* without ************.

****, ** ~**' ******* ****** ******* are ********* ** **** ** ******* but *** *****-** ****** *** **** legible **** ** *** ***** *** a ******* *****.

** ~**', ******* *** ~**', *** 4K ******* ***** ***** ******* ****** details *** *** *****-** ****** *** more ******* **** ** *** *****.

Solid *** ***** ***** *******/***** ******** (~* ***)

** * *** ***** ***** (~* lux) *** ******* ******* ********* ** ~20', ****** *** *****-** ******** ********** truer ****** **** ******. *** *****-*** appears ******** ***********.

** ~**', *** *****-** ****** ******** better ****** *******, **** ****** ***** more ********.

Weaker ******* ***** ******* (~*** ***)

** * ******* ******* ** ~**' all ** ******* ***** ******* ****** and ***** ******* **** ** ************.

*******, ******** *** ******** ** ~**', the *****-** ** ****** **** *** Q3518-LVE, **** ****** *******, **** ***** refocusing.

WDR ***** *******

** ****** *** ******* ** ******** mandoor, **** ******* *** ** ~**** and ****** *** ** ~**, * variance ** ~***.

*** ******* ********* ********* ** **** scenario, *** *****-** ******** *** ****** portion **** **** *** ***** ******* but ******* ****** *** ***** ******* are ***** *********.

*********

*** *****-**'* ********* ******** **** ***** than *** *****-*** **** ** ~**% in *** ***** *** **** **** IR **. ******** **** ****** **** the **** *****-*, ******* ****' ***** of **** ********* "*** **** ********* and ******* ** ******* ***** *******."

VMS ***********

*** *****-** *** * ***** ***********, allowing **** *.*** *** *.*** ********* in *** ***** ***** *** ******** which *** *** ******* *.***.****'* **** ************* ********* ** *** ***** ****** but ********.

Physical ********

*** *****-** ** * ***** ****** camera, ***** ** *** **** ** Axis' *****-* *** ****** ** *******. Notably, ** ******** * *** *** punchdown ** *** **** ** *** housing, ** ****** *** ** ******** terminated ******* ** ******** ******* *****, which *** ** ****** ** * ladder ** **** *** **** ******. We ****** *** ******'* ******** ******** in **** *****:

Country ** ******

*** *****-** *** ************ ** ******.

Test **********

******* **** ****** ***** ******* ******** with **** *******:

  • ********* *** *** ** ******, **** Dynamic *** *** ** **, ******** of **** (*******).
  • *** *** *******
  • *.*** *** **** ****** *******

*** ********* ******** **** **** ****** testing.

  • **** *****-**: *.**.*.*
  • **** *****-***: *.**.*
  • **** *****-*: *.**.*

Comments (5)

Michael Miller

11/21/19 05:50pm

VMD4 and analytics work with Avigilon via Arbitrary Events.

Agree
Disagree
Informative: 4
Unhelpful
Funny

Undisclosed End User #1

11/21/19 10:03pm

That glare reduction with the IR pass filter is impressive. Is this a new technology? Are others using it?

Agree: 1
Disagree
Informative
Unhelpful
Funny

Sebastian Kratzke

In reply to Undisclosed End User #1 | 11/21/19 10:52pm

Canon VB-M50B already has it as a third filter option („clear IR“).

Agree
Disagree
Informative: 2
Unhelpful
Funny
Avatar

Ethan Ace

IPVM | In reply to Undisclosed End User #1 | 11/21/19 11:05pm

It's not new technology, but it's a pretty rare implementation. We know of very few surveillance cameras using it, with the Q1798 and the Canon model Sebastian mentions the only ones I'm aware of. IR pass filters have been available for a long time, but generally limited to specialty photography.

Agree
Disagree
Informative: 3
Unhelpful
Funny
Avatar

Ethan Ace

IPVM | In reply to Ethan Ace | 11/21/19 11:07pm

Another one: Mobotix also has some lens options with Low Pass Filters, which they discuss in their best practices for LPR.

Agree
Disagree
Informative: 3
Unhelpful
Funny
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